<template>
  <div class="login-container">
    <el-form ref="loginForm" :model="loginForm" :rules="loginRules" class="login-form" auto-complete="on" label-position="left">
      <div class="title-container">
        <h3 class="title">欢迎登录师生答题管理系统</h3>
      </div>
      <el-form-item prop="username">
        <span class="svg-container">
          <svg-icon icon-class="user" />
        </span>
        <el-input
          ref="studentId"
          v-model="loginForm.studentId"
          placeholder="请输入账号"
          name="studentId"
          type="text"
          tabindex="1"
          auto-complete="on"
        />
      </el-form-item>

      <el-form-item prop="password">
        <span class="svg-container">
          <svg-icon icon-class="password" />
        </span>
        <el-input
          :key="passwordType"
          ref="password"
          v-model="loginForm.password"
          :type="passwordType"
          placeholder="请输入密码"
          name="password"
          tabindex="2"
          auto-complete="on"
          @keyup.enter.native="handleLogin"
        />
        <span class="show-pwd" @click="showPwd">
          <svg-icon :icon-class="passwordType === 'password' ? 'eye' : 'eye-open'" />
        </span>
      </el-form-item>

      <el-button :loading="loading" type="primary" style="width:100%;margin-bottom:30px;" @click.native.prevent="handleLogin">登 录</el-button>
    </el-form>
  </div>
</template>

<script>
import { validUsername } from '@/utils/validate'
import {getList} from '@/api/table'
import { login } from '@/api/user'  // 添加登录接口导入
import { setToken } from '@/utils/auth'  // 导入 auth.js 中的 setToken 方法

export default {
  name: 'Login',
  data() {
    const validateUsername = (rule, value, callback) => {
      if (!validUsername(value)) {
        callback(new Error('请输入正确管理员账号'))
      } else {
        callback()
      }
    }
    const validatePassword = (rule, value, callback) => {
      if (value.length < 6) {
        callback(new Error('密码长度为6位！'))
      } else {
        callback()
      }
    }
    return {
      loginForm: {
        studentId: '',
        password: ''
      },
      loginRules: {
        studentId: [{ required: true, trigger: 'blur', validator: validateUsername }],
        password: [{ required: true, trigger: 'blur', validator: validatePassword }]
      },
      loading: false,
      passwordType: 'password',
      redirect: '/'
    }
  },
  watch: {
    $route: {
      handler: function(route) {
        this.redirect = route.query && route.query.redirect
      },
      immediate: true
    }
  },
  created() {
    this.getLists()
  },
  methods: {
    getLists(){
      getList().then(res=>{
        console.log('xxx',res)
      })
    },
    showPwd() {
      if (this.passwordType === 'password') {
        this.passwordType = ''
      } else {
        this.passwordType = 'password'
      }
      this.$nextTick(() => {
        this.$refs.password.focus()
      })
    },
    handleLogin() {
      this.$refs.loginForm.validate(valid => {
        if (valid) {
          this.loading = true
          login(this.loginForm).then(res => {
            if (res.code === '200' && res.data?.user) {
              const token = '1111' // 应该使用 res.data.token
              setToken(token)
              localStorage.setItem('userInfo', JSON.stringify(res.data.user))
              console.log(res.data.sysClassList);
              localStorage.setItem('sysClassList', JSON.stringify(res.data.sysClassList));
              this.$store.commit('user/SET_TOKEN', token)
              this.$store.commit('user/SET_USER', res.data.user)
              
              this.$message.success('登录成功')
              
              // 改用 try/catch 处理路由跳转
              try {
                this.$router.push(this.redirect || '/')
              } catch (error) {
                console.error('路由跳转失败:', error)
                this.$router.push('/')
              }
            } else {
              this.$message.error(res.msg || '登录失败')
            }
          }).catch(error => {
            console.error('登录错误:', error)
            this.$message.error('登录失败，请检查账号密码')
          }).finally(() => {
            this.loading = false
          })
        }
    })
}
  }
}
</script>

<style lang="scss">
/* 修复input 背景不协调 和光标变色 */
/* Detail see https://github.com/PanJiaChen/vue-element-admin/pull/927 */

$bg:#283443;
$light_gray:#fff;
$cursor: #000; // 修改光标颜色为黑色
$button-green: #1baf8a; // 定义绿色按钮颜色

@supports (-webkit-mask: none) and (not (cater-color: $cursor)) {
  .login-container .el-input input {
    color: $cursor; // 修改字体颜色为黑色
  }
}

/* reset element-ui css */
.login-container {
  min-height: 100%;
  width: 100%;
  background: url('../../assets/bg.jpg') no-repeat center center;
  background-size: cover;
  overflow: hidden;

  .login-form {
    position: relative;
    width: 400px;
    max-width: 100%;
    padding: 160px 35px 0;
    margin: 0 auto;
    overflow: hidden;
    left: 334px;
    top: 97px;
    border-radius: 6px;
  }
  .el-button {
    background-color: $button-green; // 设置按钮背景颜色为绿色
    color: #fff; // 设置按钮文字颜色为白色
    &:hover {
      background-color: darken($button-green, 10%); // 悬停时的颜色变化
    }
  }
  .el-button--primary{
    border-color: #1baf8a;
  }
  .el-input {
    display: inline-block;
    height: 47px;
    width: 85%;

    input {
      background: transparent;
      border: 0px;
      -webkit-appearance: none;
      border-radius: 0px;
      padding: 12px 5px 12px 15px;
      color: $cursor;
      height: 47px;
      caret-color: $cursor;

      &:-webkit-autofill {
        box-shadow: 0 0 0px 1000px $bg inset !important;
        -webkit-text-fill-color: $cursor !important;
      }
    }
  }

  .el-form-item {
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: rgb(255, 255, 255);
    border-radius: 5px;
    color: #454545;
    
  }
}
</style>

<style lang="scss" scoped>
$bg:#2d3a4b;
$dark_gray:#889aa4;
$light_gray:#eee;

.login-container {
  min-height: 100%;
  width: 100%;
  background-color: $bg;
  overflow: hidden;

  .login-form {
    position: relative;
    width: 400px;
    max-width: 100%;
    padding: 160px 35px 0;
    margin: 0 auto;
    overflow: hidden;
  }
  
  .tips {
    font-size: 14px;
    color: #000;
    margin-bottom: 10px;

    span {
      &:first-of-type {
        margin-right: 16px;
      }
    }
  }

  .svg-container {
    padding: 6px 5px 6px 15px;
    color: $dark_gray;
    vertical-align: middle;
    width: 30px;
    display: inline-block;
  }

  .title-container {
    position: relative;

    .title {
      font-size: 26px;
      color: $light_gray;
      margin: 0px auto 40px auto;
      text-align: center;
      font-weight: bold;
    }
  }

  .show-pwd {
    position: absolute;
    right: 10px;
    top: 7px;
    font-size: 16px;
    color: $dark_gray;
    cursor: pointer;
    user-select: none;
  }
}
</style>
